Perhaps you should try some spelling variations:
communication models » communications models, communication model, communication modes
oral communication » personal communication
integrating world » integrated world, integrating area, integrating land
au developpement » du developpement, de developpement, le developpement
gap integrating » gaps integrating, faso integrating, loop integrating
developpement l » developpement il, developpement la, developpement de
technology gap » technology 1, technology 2.2, technology 3
models au » modeles au, models a, modells auf
l afrique » en afrique
world 3 » world _, world a, world 1
3 oral » _ oral, 2 oral, 4 oral

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology gap integrating world 3 oral communication models au developpement l afrique.*.